‘No trace’ of adverse substance found after Heathrow Airport is evacuated | The IndependentNotifications can be managed in browser preferences.Jump to contentIndependentNext articleIndependent Bulletin homepageSocial PartnerWe are 8 logo (opens in a new tab)AllNewsSportCultureLifestyleRosie SheadMonday 08 September 2025 21:57 BST(X/@AlexOakes)Heathrow Airport's Terminal 4 was evacuated on Monday evening due to a reported potential hazardous material incident.Emergency services, including the Metropolitan Police, London Fire Brigade, and London Ambulance Service, attended the scene.Around 20 people reported injuries, with one person taken to hospital, but a thorough search found no trace of any hazardous substance.Terminal 4 was confirmed safe and reopened by 8:27 pm, with the airport working to ensure flights departed as planned.The cause of the incident remains under investigation, though flights from Terminal 4 were largely unaffected.In full21 injured after Heathrow terminal evacuation but ‘no trace’ of adverse substance foundThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in